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A054528 as a triangular array

1
20
101
2020
12201
204220
1038301
201046620
12861416401
20812282212820
1292234343826501
2010206070645426820
1214226713013296

A054528 as a square array

1212121212121
000200020202
12243108891014
00284612222022
12361428346067
00616223470130
124123864132
008265496
12526
008
12
0

A054528 as an upper right triangle

1212121212121
000200020202
12243108891014
00284612222022
12361428346067
00616223470130
124123864132
008265496
12526
008
12
0

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Last modified March 29 06:15 EDT 2024. Contains 371265 sequences. (Running on oeis4.)